Photograph shows the steel cells of cluster "G" and "D" separated by the timber-crib plug. Excavation activities in progress on the river bedrock and the Westside bank area. Excavation of the west cofferdam area amounted to 10,000,000 cubic yards...

During excavation workers often encountered deep crevices that required earth removal down to their bottoms and then heavy concrete grouting to fill in the fractures at the base of the crevice before block pours could occur on top of these...

Third Volume, Third issue, of the Mason-Walsh-Atkinson-Kier Columbian. Builders of Coulee Dam Safety Newsletter. Created by the Safety Department and issued to the residents of Mason City and contract workers at Grand Coulee Dam. Originally printed...